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MS Outlook 2010: General failure. The URL was: [URL]. Class not registered after repair install of Win 7-64, IE9, and Norton Internet Secirity

Asked by Don Smith 315 on 05/16/2013 at 7:33 PM

Microsoft Outlook 2010 Error:  General failure. The URL was: [URL].  Class not registered.


What does this mean and how do I fix it? 


  • Posted by CAPilot on 12/02/2013 at 6:43 PM
    In Windows 8, either go to settings, or "swipe" the right hand side to bring up the "Search, Share, Start, Devices AND SETTINGS" list.

    Select settings, default programs, and choose a browser you like for BOTH "Http" AND Https".

    After I updated Firefox to the "new" version 25, Outlook will not open links. I had to change the "default" settings to Internet Explorer. There were several browsers that I have, but Firefox was not listed, so I had to choose my 2nd favorite browser.

    Now at least I can once again click on URL "Links" on my Outlook Email messages and have it open a web page.